10-task plan with TDD steps, exact file paths, and code blocks for each
step. Self-reviewed for spec coverage and type consistency. Ready for
subagent-driven execution.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
Flip default chat-turn provider from Anthropic to local Ollama with
reactive escalation to Opus on detectable failure. Per-turn escalation
budget, clean-restart UX with visible badge.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>